CVE-2026-39496 HIGH

CVE-2026-39496: WordPress YayMail plugin <= 4.3.3 - SQL Injection vulnerability

Vendor Yaycommerce
Product YayMail
Weakness CWE-89 · SQLi
Published April 8, 2026
Last update April 29, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YayCommerce YayMail yaymail allows Blind SQL Injection.This issue affects YayMail: from n/a through <= 4.3.3.

Explanation of Vulnerability in Simple Terms

02Summary

YayMail versions up to 4.3.3 contain a SQL injection vulnerability accessible to high-privilege users. An attacker with admin or equivalent access can craft malicious input to execute arbitrary SQL queries, potentially reading sensitive database records or disrupting site availability. Update to version 4.4.2 or later to patch this issue.

What an attacker can do

03Attacker Capabilities

Read sensitive database records or cause the site to become unavailable.

Potential impact on your site

04Site Impact

A compromised admin account could expose customer data or disrupt your site's database.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or equivalent privileges on the site.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated